Question: What spouse of Max Ernst has a birthdate of 1-1-1946?
Paraphrase: Name the spouse of Max Ernst born on 1-1-1946.
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q154842 p:P26 ?s . ?s ps:P26 ?obj . ?s pq:P580 ?x filter(contains(YEAR(?x),'1946')) }